Results 21 to 30 of about 183,531 (165)
Burned Gas Characteristics of Laminar Lifted Flame at the Beginning of Stream Heating
Journal of Thermal Science and Technology, 2011 This research experimentally investigates the exhaust gas characteristics of a methane-air lifted-jet flame with elevated stream temperatures up to 450 K. Emission indices of NOx and CO were measured by direct gas sampling using a gas detector tube.
Mitsutomo HIROTA +2 more
doaj +1 more source
Case Studies in Thermal Engineering, 2020 The acoustic excitation method was used to improve the combustion performance of rich-combustion flames of swirling dual-disk double-concentric jets. The unexcited and excited conditions were compared.
Omid Ali Zargar
doaj +1 more source
Experimental Investigation of Flame Anchoring Behavior in a LOX/LNG Rocket Combustor
Aerospace, 2023 Hot fire tests of a multi-injector research combustor were performed with liquid-oxygen and liquefied-natural-gas (LOX/LNG) propellants at chamber pressures from 30 up to 67 bar, hence at conditions similar to an upper stage rocket engine.
Jan Martin +4 more
doaj +1 more source
Numerical analysis of lifted hydrogen flame
MATEC Web of Conferences, 2018 A numerical analysis of a turbulent lifted H2/N2 flame is presented. As combustion mechanisms, a large spectrum is considered including single-step and two-step, as well as detailed mechanisms.
Iqbal Sohail +3 more
doaj +1 more source
Applications in Energy and Combustion Science, 2021 Ensuring efficient and clean combustion performance of liquid-fueled engines requires comprehension of the influence of fuel composition and properties on flame behavior, such as flame liftoff height (LOH) and lean blowout limit (LBO).
Radi Alsulami +4 more
doaj +1 more source
Stability and Liftoff of a N2-in-H2 Jet Flame in a Vitiated Co-flow at Atmospheric Pressure
Eurasian Chemico-Technological Journal, 2014 The stability and liftoff characteristics of a nitrogen (N2) diluted hydrogen (H2) jet flame in a vitiated co-flow are investigated experimentally with particular attention focused on regimes where multiple stabilization mechanisms are active ...
A. A. North +4 more
doaj +1 more source
Effect of N2 Replacement by CO2 in Coaxial-Flow on the Combustion and Emission of a Diffusion Flame
Energies, 2018 In this study, a double concentric burner burning methane with an annular coaxially-flowing oxidizer was adopted to operate the diffusion flame in lifted flame regime. The effects of coaxial-flow velocity, coaxial-flow composition variation through total
Haisheng Zhen, Zhilong Wei, Zhenbin Chen
doaj +1 more source
Numerical study of a turbulent hydrogen flame in oxy-combustion regimes
Archives of Mechanics, 2017 This paper presents the results of large eddy simulation/conditional moment closure (LES-CMC) computations of a turbulent flame in oxy-combustion regimes complemented by 0D-CMC analysis.
A. Wawrzak, A. Tyliszczak
doaj +1 more source
Leading-Edge Velocities and Lifted Methane Jet Flame Stability
Journal of Combustion, 2010 Current interest exists in understanding reaction-zone dynamics and mechanisms with respect to how they counterpropagate against incoming reactants.
W. Wang, K. M. Lyons
doaj +1 more source
Applications in Energy and Combustion Science, 2023 In the field of natural gas marine engines, the high-pressure direct injection (HPDI) technology is widely used to achieve emission reduction while maintaining equivalent thermal efficiency and power output compared to diesel engines.
Lijia Zhong +3 more
doaj +1 more source